#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "ourhdr.h"

char buf1[] = "abcdefghij";
char buf2[] = "ABCDEFGHIJ";

int main(){
	int fd;

	if( (fd = creat("file.hole", FILE_MODE)) < 0)
		err_sys("creat error");

	if(write(fd, buf1, 10) != 10)
		err_sys("buf1 write error");
	/* offset now = 10 */

	if( lseek(fd, 40, SEEK_SET) < 0)
		err_sys("lseek error");
	/* offset now = 40 */

	if(write(fd, buf2, 10) != 10)
		err_sys("buf2 write error");
	/* offset now = 50 */

	return 0;
}
